3663663447 has 16 divisors (see below), whose sum is σ = 5031336800. Its totient is φ = 2369596032.

The previous prime is 3663663439. The next prime is 3663663457. The reversal of 3663663447 is 7443663663.

It is not a de Polignac number, because 3663663447 - 2³ = 3663663439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3663663396 and 3663663405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663663407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8548 + ... + 86025.

It is an arithmetic number, because the mean of its divisors is an integer number (314458550).

Almost surely, 2^3663663447 is an apocalyptic number.

3663663447 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3663663447 is a deficient number, since it is larger than the sum of its proper divisors (1367673353).

3663663447 is a wasteful number, since it uses less digits than its factorization.

3663663447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94962.

The product of its digits is 3919104, while the sum is 48.

The square root of 3663663447 is about 60528.2037318141. The cubic root of 3663663447 is about 1541.6005520236.

The spelling of 3663663447 in words is "three billion, six hundred sixty-three million, six hundred sixty-three thousand, four hundred forty-seven".